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Tag: "doing" at biology news

Modeling the restless brain

...porns and Honey -- occur when a person is at rest, doing nothing. The nature of these "resting state fluctuations" is an active topic of research in cognitive neuroscience, with their mysterious origin prompting one prominent researcher to label them the "brain's dark energy," Sporns said. As yet, no o...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...branes, but we don't yet know exactly how they are doing it," Roepe says. "Still, knowing the pH values can help pharmacologists and chemists redesign a molecule to take advantage of these changes."...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...Science Center and M.D. Anderson Cancer Center are doing the same. With some of the tissue, they are using conventional cryopreservation. Chemicals to protect cells from the hazards of freezing are added before taking tissue from the refrigerator temperature of 4 degrees Celsius to minus 80 degree...

Research shows cord blood comparable to matched bone marrow

...hat can provoke the immune system to respond. When doing bone marrow or cord blood transplants, doctors generally try to have the donors’ and recipients’ HLA types match as closely as possible. Wagner added that increasing the inventory will increase the chance of finding donors for ethnic and racial min...

'Lucky 13' as new gene discovery offers further hope for childhood blindness

... us something very important about what the eye is doing normally and about a new and common way in which it can go wrong. Given some exciting recent developments on testing possible cures for inherited blindness, its becoming very important for everybody to know exactly which mutation they've got, because...

Small, self-controlled planes combine plant pathology and engineering

...ern in Arizona,” he said. “What was that bacterium doing 100 meters above Kentland Farm" In many of our other samples, we have found organisms that have never been cultured before. Some of these microbes may thrive only in the atmosphere, and many of them may be new to science.” This and other fascinati...

Microbes at work cleaning up the environment

...n to improve water quality. But some bacteria are doing just that to protect themselves from potentially toxic nanoparticles in their own environments, and clean up crews of the future could potentially do the same thing on a larger scale. A team from Lawrence Livermore National Laboratory, UC Berkeley...

CU study reveals why starling females cheat

...e) is caught cheating, the partner punishes her by doing less work in raising the chicks, or in extreme cases, leaves her to raise the chicks on her own. But because superb starlings, a bird common to East Africa, are cooperative breeders, females have more incentive to stray, said Rubenstein, because even...

The mouflons of the Kerguelen archipelago

...nis Réale discovered this mouflon population while doing his French civilian service in 1991. For 16 months, he participated in an ecological research program under the supervision of Jean-Louis Chapuis of the Muséum national d'histoire naturelle in Paris. He studied the ecology and behaviour of mammals (m...

Ancient retrovirus sheds light on modern pandemic

...an susceptibility to modern-day HIV "is a lot like doing archaeology -- figuring out how humans have become who we are today and why we are or are not susceptible to modern viruses that presently circulate," Emerman said. In fact, this emerging area of research, which seeks to better understand modern in...

Putting feelings into words produces therapeutic effects in the brain

... shown there is actually a neurological reason for doing mindfulness meditation. Our findings are consistent with what mindfulness meditation teachers have taught for thousands of years.”...

Modified mushrooms may yield human drugs

...dy has been able to come up with a feasible way of doing that." Dr. Romaine and his colleague, Xi Chen...genic cells, Dr. Romaine explained. "What we are doing is taking a gene, as for example a drug gene, that is not part of the mushroom, and camouflaging it ...

How plague-causing bacteria disarm host defense

...ntained YpkA over millions of years, so it must be doing something important." The researchers speculate that YpkA plays an important role in disabling the body's immune system beyond its previously known role of disrupting the host cell's normal structure, which interferes with the cell's innate ability ...

'Smart' mice teach scientists about learning process, brain disorders

...b said. "We made the animals ‘smarter,’ but in doing so and applying this technology, we also found biochemical targets that hold promise for future treatments of a variety of cognitive disorders," he said. The researchers also recorded nerve-cell firings in the hippocampus, an area of the brain as...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

... the body detects temperature sensation. But in so doing it also illuminates a mechanism that mediates how the body experiences intense stimuli – temperature, in this case – that can cause pain. As such, the receptor – known as menthol receptor TRPM8 -- provides a target for studying acute and chronic ...

HIVMA opposes The Gambia's unproven AIDS remedy

...is treatment to a handful of patients who had been doing well on antiretroviral therapy but stopped taking the drugs in order to qualify to receive his "cure." HIVMA joins its colleagues in the International AIDS Society and the Society for AIDS in Africa in expressing great concern regarding this prac...

Mice with a migraine show signs of brain damage

Migraines may be doing more than causing people skull-splitting pain. Sci...erson’s cognitive abilities decrease. But actually doing damage to the brain ?that is a surprise.? Deborah Friedman, M.D., a neurologist who was not involv...

Technique monitors thousands of molecules simultaneously

... professor of chemistry in Arts & Sciences, is doing this so that the electrodes on the chip can be used to monitor the biological behavior of up to 12,000 molecules at the same time. The work is motivated by a desire to map the three-dimensional requirements of biological receptors on cell surfaces. ...

Amphibians in losing race with environmental change

...th new conditions," Blaustein said. "What they are doing is showing us just how rapid and unprecedented are the environmental changes under way. Many other species will also be unable to evolve fast enough to deal with these changes. Because of their unique characteristics, the amphibians are just the firs...

Traumas like Sept. 11 make brains more reactive to fear

... the journal Emotion. "These people appear to be doing okay, but they may, indeed, be having more sensitive responses to upsetting stimuli," said Elise Temple, a co-author and assistant professor of human development at Cornell. More than half the population experiences trauma, which makes people more ...

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